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algol [13]
3 years ago
13

What is matter? What is it made up of?

Chemistry
1 answer:
Julli [10]3 years ago
5 0
A definition of "matter" more fine-scale than the atoms and molecules definition is: matter is made up of what atoms and molecules are made of, meaning anything made of positively charged protons, neutral neutrons, and negatively charged electrons. There are three states of matter, they are: solid, liquid and gas. In extreme environments, other states may be present, such as plasma, Bose-Einstein condensates and neutron stars .
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To find the mass of Ca(NO3)2 you would add up ___ Calcium, ___ Nitrogens, and ___ Oxygens.
Varvara68 [4.7K]

The answer for the following answer is mentioned below.

  • Therefore the mass of calcium nitrate ( Ca(NO_{3} )_{2}

Explanation:

To find the mass of calcium nitrate (Ca(NO_{3} )_{2} ) is :

No of calcium are 1

No of nitrogen are 2

No of  oxygen are 6

( NO_{3} ){2} = N_{2} O_{6}

So therefore;

No of nitrogen are 2

No of  oxygen are 6

Mass of  (Ca(NO_{3} )_{2} ) :

molecular mass of calcium =40

molecular mass of nitrogen = 14

molecular mass of oxygen = 16

N_{2} O_{6}  = (14×2) + (16×6)

           = 28 + 96

           = 124

Ca(NO_{3} )_{2}  = 40 + 124

<u><em></em></u>Ca(NO_{3} )_{2}<u><em>  = 164 grams</em></u>

Therefore the mass of calcium nitrate ( Ca(NO_{3} )_{2} ) is 164 grams

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3 years ago
A compound is 49 and 6.7 hydrogen and 53 oxygen what’s the empirical formula
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Hello.

Your answer would be:

It’s about 1.84

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